zh  ����������������������������𣬶�סӲ��ǰ������ס������Ȼ��ʹ���������������������Ħ���������������񶯡�
    An unaspirated voiceless blade-palatal affricate. It is pronounced by turning up the tongue tip against the front part of the hard palate to block the air and then releasing it through the narrowing of the air passage between the tongue tip and the hard palate. The vocal cords do not vibrate.
[i] ����Ԫ������Բ����ֻ�����ڸ���zh  ch  sh  r ��ߡ����ȷ�r ����λ���䣬�ӳ��󲻴������IJ��־���[i]����
    A blade-palatal vowel without the lips rounded. It only follows these consonants like zh, ch, sh and r. It can be produced by first pronouncing r without moving the tongue and then keeping the sound there. The part without audible friction is [i].

ch    ����������������������λ��zh ��ͬ����Ҫ����ʹ�����������г�����������񶯡�����zh ���Ӧ����������
    An aspirated voiceless blade-palatal affricate. It is pronounced in position of "zh", but the air should be forced out through the narrow passage. The vocal cords do not vibrate. It is an aspirated equivalent of "zh".
[i] ����Ԫ������Բ����ֻ�����ڸ���zh  ch  sh  r ��ߡ����ȷ�r ����λ���䣬�ӳ��󲻴������IJ��־���[i]����
    A blade-palatal vowel without the lips rounded. It only follows these consonants like zh, ch, sh and r. It can be produced by first pronouncing r without moving the tongue and then keeping the sound there. The part without audible friction is [i].

sh  ������������������������𣬽ӽ�Ӳ���γ�һ������ʹ����Ħ���������������񶯡�
    A voiceless blade-palatal fricative. It is pronounced by turning up the tongue tip close to the hard palate to make a narrow passage through which the air escapes with friction. The vocal cords do not vibrate.
[i]����Ԫ������Բ����ֻ�����ڸ���zh  ch  sh  r ��ߡ����ȷ�r ����λ���䣬�ӳ��󲻴������IJ��־���[i]����
    A blade-palatal vowel without the lips rounded. It only follows these consonants like zh, ch, sh and r. It can be produced by first pronouncing r without moving the tongue and then keeping the sound there. The part without audible friction is [i].

r   �����Dz�����������λ��sh ��ͬ����Ħ�������ᣬ�����񶯡�
    A voiced blade-palatal fricative. It is pronunced in position for "sh" ,but the friction is soft. The vocal cords vibrate.
[i]����Ԫ������Բ����ֻ�����ڸ���zh  ch  sh  r ��ߡ����ȷ�r ����λ���䣬�ӳ��󲻴������IJ��־���[i]����
    A blade-palatal vowel without the lips rounded. It only follows these consonants like zh, ch, sh and r. It can be produced by first pronouncing r without moving the tongue and then keeping the sound there. The part without audible friction is [i].